<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map集合</title>d
    <script>
        let map = new Map();
        map.set("name", "zxy");
        map.set("age", 18);
        console.log(map);
    </script>
</head>
<body>

</body>
</html>